HYDERABAD, India/SAN FRANCISCO (Reuters) – Over the past year, a team of as many as 260 contract workers in Hyderabad, India has ploughed through millions of Facebook Inc photos, status updates and other content posted since 2014.

FILE PHOTO: Facebook logo is reflected in glasses in this picture illustration taken April 1, 2019. REUTERS/Akhtar Soomro/Illustration/File Photo

The workers categorize items according to five “dimensions,” as Facebook calls them.

These include the subject of the post – is it food, for example, or a selfie or an animal? What is the occasion – an everyday activity or major life event? And what is the author’s intention – to plan an event, to inspire, to make a joke?

The work is aimed at understanding how the types of